137 citations · 450 across the 10 of their papers we have counts for
10 papers
Establishing the carrier scattering phase diagram for ZrNiSn-based half-Heusler thermoelectric materials
Qingyong Ren, Chenguang Fu, Qinyi Qiu +15
Chemical doping is one of the most important strategies for tuning electrical properties of semiconductors, particularly thermoelectric materials. Generally, the main role of chemi…
Origin of magnetovolume effect in a cobaltite
Ping Miao, Zhijian Tan, Sanghyun Lee +21
The layered perovskite PrBaCo2O5.5+x demonstrates a strong negative thermal expansion (NTE) which holds potential for being fabricated into composites with zero thermal expansion.…
Properties of spin 1/2 triangular lattice antiferromagnets: CuRE2Ge2O8 (RE=Y, La)
Hwanbeom Cho, Marie Kratochvilova, Hasung Sim +10
We found new two-dimensional (2D) quantum (S=1/2) antiferromagnetic systems: CuRE2Ge2O8 (RE=Y and La). According to our analysis of high-resolution X-ray and neutron diffraction ex…
Robust singlet dimers with fragile ordering in two-dimensional honeycomb lattice of LiRuO
Junghwan Park, Teck-Yee Tan, D. T. Adroja +14
When an electronic system has strong correlations and a large spin-orbit interaction, it often exhibits a plethora of mutually competing quantum phases. How a particular quantum gr…
Hole-doping-induced melting of spin-state ordering in PrBaCo2O5.5+x
Ping Miao, Xiaohuan Lin, Sanghyun Lee +8
The layered perovskite cobaltite RBaCoO (R: rare-earth elements or Yttrium) exhibits an abrupt temperature-induced metalinsulator transition (MIT) and has been attri…
Successive spin-flop transitions of Neel-type antiferromagnet LiMnO single crystal with honeycomb-lattice
K. Balamurugan, Sang-Hyun Lee, Jun-Sung Kim +7
We have carried out high magnetic field studies of single-crystalline LiMnO, a honeycomb lattice antiferromagnet. Its magnetic phase diagram was mapped out using magnetizat…
Structure and spin dynamics of multiferroric BiFeO
Je-Geun Park, Manh Duc Le, Jaehong Jeong +1
Multiferroic materials have attracted much interest due to the unusual coexistence of ferroelectric and (anti-)ferromagnetic ground states in a single compound. They offer an excit…
Experimental percolation studies of two-dimensional honeycomb lattice: Li2Mn1-xTixO3
Sanghyun Lee, Junghwan Park, Jiyeon Kim +3
Li2MnO3 with a S=3/2 two-dimensional Mn honeycomb lattice has a Neel-type antiferromagnetic transition at TN=36 K with a broad maximum in the magnetic susceptibility at TM=48 K. We…
Large in-plane deformation of RuO6 octahedron and ferromagnetism of bulk SrRuO3
Sanghyun Lee, J. R. Zhang, S. Torii +6
SrRuO3 is a ferromagnetic metal with several unusual physical properties such as zero thermal expansion below Tc, so-called Invar behavior. Another anomalous feature is that the a-…
Negative magnetostrictive magnetoelectric coupling of BiFeO3
Sanghyun Lee, M. T. Fernandez-Diaz, H. Kimura +8
How the magnetoelectric coupling actually occurs on a microscopic level in multiferroic BiFeO3 is not well known. By using the high-resolution single crystal neutron diffraction te…